(Choose 1 answer)
A. 4.16
Suppose data is obtained from 20 pairs of (x,y) and the sample correlation coefficient is 0.7. Find the test statistic if you want 95% confident that there exist a significant positive linear correlation between x and y.
B. 4.38
C. 4.27
D. 0.05
E. None of the other choice is correct
DIFVOn the exem.
